colnod-connector/src/colnod/databaseapi.cpp
2019-11-25 16:05:31 +01:00

238 lines
8.6 KiB
C++

#include "databaseapi.h"
Q_LOGGING_CATEGORY(database, "database.api");
DatabaseAPI::DatabaseAPI(serversdk::DatabaseManager *dbMan, bool dryMode)
: mDryMode(dryMode),
mDbMan(dbMan),
utils(std::make_unique<serversdk::DatabaseUtils>(dbMan))
{
mDbMan->setDryMode(dryMode);
}
bool DatabaseAPI::open()
{
return mDbMan->openPostgres(QStringLiteral("192.168.1.94"),
QStringLiteral("deloitte"),
QStringLiteral("postgres"),
QStringLiteral("34rjkciea12"),
QStringLiteral("postgres-connection"));
}
void DatabaseAPI::downloadData()
{
auto updatedQuery = mDbMan->execPlainSql("SELECT * "
"FROM colnod_token WHERE last_modified > last_update AND deleted = false");
auto deletedQuery = mDbMan->execPlainSql("SELECT id "
"FROM colnod_token WHERE last_modified > last_update AND deleted = true");
emit downloadDataFinished(composeData(updatedQuery, deletedQuery));
}
void DatabaseAPI::processData(const std::shared_ptr<Data> &data)
{
uploadTokens(data->updatedTokens);
uploadSubjects(data->updatedSubjects);
deleteItems(data->deletedTokens, "colnod_token");
deleteItems(data->deletedSubjects, "colnod_subject");
qInfo(database) << tab << "-> DATA PROCESSED TO DATABASE:";
qInfo(database) << tab << tab << data->updatedTokens.size() << "TOKENS ADDED/UPDATED";
qInfo(database) << tab << tab << data->deletedTokens.size() << "TOKENS DELETED";
qInfo(database) << tab << tab << data->updatedSubjects.size() << "SUBJECTS ADDED/UPDATED";
qInfo(database) << tab << tab << data->deletedSubjects.size() << "SUBJECTS DELETED";
qInfo(database) << dash;
}
std::shared_ptr<Data> DatabaseAPI::composeData(const QSqlQuery &updatedQuery, QSqlQuery &deletedQuery)
{
auto data = std::make_shared<Data>();
auto list = utils->tableFromQuery<Token>(updatedQuery);
for (const auto &token : list) {
data->updatedTokens.insert(token->id(), token);
}
while (deletedQuery.next()) {
data->deletedTokens.append(deletedQuery.value(0).toString());
}
qInfo(database) << tab << "-> DATABASE DATA:";
qInfo(database) << tab << tab << data->updatedTokens.size() << "TOKENS WERE ADDED/UPDATED";
qInfo(database) << tab << tab << data->deletedTokens.size() << "TOKENS MARKED FOR DELETION";
qInfo(database) << dash;
return data;
}
qint64 DatabaseAPI::getLastSync()
{
auto query = mDbMan->execPlainSql("SELECT last_sync FROM config");
if (query.next()){
return query.value(0).toLongLong();
}
return -1;
}
void DatabaseAPI::setLastSync(qint64 timestamp)
{
auto query = mDbMan->createQuery();
query.prepare("UPDATE config SET last_sync = :last_sync");
query.bindValue(":last_sync", timestamp);
mDbMan->executeQuery(query);
}
void DatabaseAPI::setLastUpdate(const QHash<QString, std::shared_ptr<Token>> &tokens)
{
auto query = mDbMan->createQuery();
for (const auto &token : tokens){
query.prepare("UPDATE colnod_token SET last_update = :last_update WHERE id = :id");
query.bindValue(":last_update", token->lastUpdate());
query.bindValue(":id", token->id());
mDbMan->executeQuery(query);
}
qInfo(database) << equals;
qInfo(database) << "Synchronize last update in database with colnod";
qInfo(database) << equals;
}
void DatabaseAPI::setLastUpdate(const QList<QString> ids)
{
auto query = mDbMan->createQuery();
for (const auto &id : ids){
query.prepare("UPDATE colnod_token SET last_update = :last_update WHERE id = :id");
query.bindValue(":last_update", QDateTime::fromMSecsSinceEpoch(getNow()).toString("yyyy-MM-dd hh:mm:ss.zzz"));
query.bindValue(":id", id);
mDbMan->executeQuery(query);
}
}
qint64 DatabaseAPI::getNow()
{
auto query = mDbMan->execPlainSql("SELECT EXTRACT(EPOCH FROM NOW())*1000");
query.next();
return query.value(0).toLongLong();
}
void DatabaseAPI::initNewTokens()
{
auto query = mDbMan->execPlainSql("SELECT * FROM colnod_token WHERE name IS NULL");
QHash<QString, std::shared_ptr<Token>> tokensToInit;
auto list = utils->tableFromQuery<Token>(query);
for (const auto &token : list) {
qint16 num = getNumOfTokensOfSubject(token->subjectId());
token->setName(getSubjectNameByTokenId(token->id()) + "_mobile_" + QString::number(num + 1));
token->setDescription("mobile");
token->setTokenData(token->tokenData().toUpper());
tokensToInit.insert(token->id(), token);
qInfo(database).noquote() << Message::massageTemplate("Inicializing new", "token", "database", token->name());
}
uploadTokens(tokensToInit);
}
void DatabaseAPI::uploadTokens(const QHash<QString, std::shared_ptr<Token>> &tokens)
{
auto query = mDbMan->createQuery();
for (const auto &token : tokens) {
if (exists(token->id(), "colnod_token")) {
query = utils->updateTable(token.get(), "colnod_token");
qInfo(database).noquote() << Message::massageTemplate("Updating", "token", "database", token->name());
}
else {
query = utils->insertIntoTable(token.get(), "colnod_token");
qInfo(database).noquote() << Message::massageTemplate("Adding", "token", "database", token->name());
}
}
}
void DatabaseAPI::uploadSubjects(const QHash<QString, std::shared_ptr<Subject>> &subjects)
{
auto query = mDbMan->createQuery();
for (const auto &subject : subjects) {
for (const auto &attribute : subject->getAttributes()) {
if (exists(attribute->id(), "colnod_subject_attribute")) {
query = utils->updateTable(attribute.get(), "colnod_subject_attribute");
}
else {
query = utils->insertIntoTable(attribute.get(), "colnod_subject_attribute");
}
}
// NOTE: about actions
if (exists(subject->id(), "colnod_subject")) {
query = utils->updateTable(subject.get(), "colnod_subject");
qInfo(database).noquote() << Message::massageTemplate("Updating", "subject", "database", subject->name());
}
else {
query = utils->insertIntoTable(subject.get(), "colnod_subject");
qInfo(database).noquote() << Message::massageTemplate("Adding", "subject", "database", subject->name());
}
}
}
void DatabaseAPI::deleteItems(const QList<QString> &ids, const QString &tableName)
{
auto query = mDbMan->createQuery();
QString nowString = QDateTime::fromMSecsSinceEpoch(getLastSync()).toString("yyyy-MM-dd hh:mm:ss.zzz");
for (const auto &id : ids) {
qInfo(database).noquote() << Message::massageTemplate("Deleting", tableName.mid(tableName.indexOf("_") + 1, tableName.length() - 1), "database", id);
query.prepare(QString("UPDATE %1 SET deleted = true, last_update = :now, last_modified = :now WHERE id = :id").arg(tableName));
query.bindValue(":id", id);
query.bindValue(":now", nowString);
mDbMan->executeQuery(query);
}
}
std::shared_ptr<Token> DatabaseAPI::getToken(const QString &id)
{
auto query = mDbMan->createQuery();
query.prepare("SELECT * FROM colnod_token WHERE id = :id");
query.bindValue(":id", id);
mDbMan->executeQuery(query);
auto list = utils->tableFromQuery<Token>(query);
if (list.isEmpty())
return nullptr;
return list.at(0);
}
bool DatabaseAPI::isAlreadyDeleted(const QString &id)
{
auto token = getToken(id);
if (token->deleted())
return true;
return false;
}
bool DatabaseAPI::exists(const QString &id, const QString &tableName)
{
auto query = mDbMan->createQuery();
query.prepare(QString("SELECT 1 FROM %1 WHERE id = :id").arg(tableName));
query.bindValue(":id", id);
query = mDbMan->executeQuery(query);
return query.next();
}
qint16 DatabaseAPI::getNumOfTokensOfSubject(const QString &id)
{
auto query = mDbMan->createQuery();
query.prepare("SELECT 1 FROM colnod_token WHERE subject_id = :id AND deleted = false");
query.bindValue(":id", id);
return static_cast<qint16>(mDbMan->executeQuery(query).size());
}
QString DatabaseAPI::getSubjectNameByTokenId(const QString &tokenId)
{
auto query = mDbMan->createQuery();
query.prepare("SELECT name FROM colnod_subject WHERE id = (SELECT subject_id FROM colnod_token WHERE id = :tokenId)");
query.bindValue(":tokenId", tokenId);
if (mDbMan->executeQuery(query).next())
return query.value(0).toString();
qWarning() << "Token:" << tokenId << "is not assigned to any subject";
return "(No subject)";
}